CHM2210 PS 5 Flashcard
(2) What is the degree of unsaturation in a molecule with a molecular formula of
C8H11Br? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
C8H11Br? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
3
(3) How many units of unsaturation are in (Z)-8-chloro-3-methoxy-5-
methylenecyclooctene? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
methylenecyclooctene? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
3
(4) How many units of unsaturation are in spiro[8.9]octadecane?
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
2
(5) How many units of unsaturation are in spiro[4378.442]alkane?
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
2
(6) How many units of unsaturation are in norbornadiene?
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
4
(7) Which compound has the shortest carbon/carbon bond?
(A) acetylene (B) 1-pentene (C) cis-2-pentene (D) benzene (E) pentane
(A) acetylene (B) 1-pentene (C) cis-2-pentene (D) benzene (E) pentane
acetylene
(8) What is the equilibrium constant between the following:
[2-methyl-2-butene] <==> [the structure after rotating around the double bond] ?
(A) 10?²² (B) 10?¹ (C) 10? (D) 10¹ (E) 10²
[2-methyl-2-butene] <==> [the structure after rotating around the double bond] ?
(A) 10?²² (B) 10?¹ (C) 10? (D) 10¹ (E) 10²
10?
(9) How many double bonds does 1,4-divinylcyclohexane have?
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
2
(10) How many double bonds does 1,4-diallylcyclohexane have?
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
2
(11) How many units of unsaturation does 1,4-diallylcyclohexane have?
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
3
(15) How many different stereoisomers are there for 1,3-pentadiene?
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
2
(17) If a sesquiterpene has formula c15h24, how many carbons are in a hemiterpene?
(A) 0 (B) 5 (C) 10 (D) 12 (E) 15
(A) 0 (B) 5 (C) 10 (D) 12 (E) 15
5
(20) How many unique structures are there for a mono-alkene with formula c5h8? Count
enantiomeric pairs as one structure here.
(A) 8 (B) 9 (C) 10 (D) 11 (E) 12
enantiomeric pairs as one structure here.
(A) 8 (B) 9 (C) 10 (D) 11 (E) 12
12